3. She had a terrible headache last night, so she couldn't go out. 4. I eat cake, but I never eat biscuits; I don't like them. 5. Would you like cake or biscuits with your coffee? 6. My job is very interesting, but it doesn't pay very well. 7. We can go by bus, or we can walk. 8. My classmate studies very hard, so she always gets good marks. 9. You had better hurry up, or you'll be late for work. 10. The Japanese eat healthily, so they have high life expectancy. IX. 1. The bus stopped and the man got off. 2. Junk food tastes so good, but it is bad for your health. 3. You should eat less junk food, or you will put on weight. 4. He is a vegetarian, so he doesn't eat any meat. 5. Would you like meat for lunch, or would you like vegetables for lunch? 6. Susan went to the park and she had a ride on the swing. 7. I love fruit, but I am allergic to strawberries. 8. There was a heavy rain, so the roads were flooded. X. 1. The doctor advises him to relax more, or he will be sick. 2. The Americans love steak, and they love hamburgers, too. 3. Burgers are very tasty, although they are not very healthy. 4. My father likes tea, but I prefer coffee. 5. He was very hungry, so he ate all the cakes. 6. Sam went to the dentist's, because he had a toothache. 7. We wanted to go to the cinema, but there weren't any seats left. 8. Don't tell Mary about her birthday party, or you'll spoil the surprise. 9. His hot chocolate was too hot, so he put some cold milk in it. 10. Bring the flowers into a warm room, and they'll soon open.